package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("新增的分类{}",category);
        categoryService.save(category);
        return R.success("1");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        log.info("page = {},pageSize = {}",page,pageSize);
        //构造分页构造器
        Page<Category> pageInfo =new Page<>(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加排序条件
        lqw.orderByAsc(Category::getSort);
        categoryService.page(pageInfo,lqw);
        return R.success(pageInfo);
    }

    @DeleteMapping
    public R<String> delete(Long ids){
        log.info("删除id为{}",ids);
        categoryService.remove(ids);
        return R.success("删除成功!");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("更新的数据:{}",category);
        categoryService.updateById(category);
        return R.success("修改成功!");
    }

    @GetMapping("/list")
    private R<List<Category>> list(Category category){
        log.info("要查询的type{}",category.getType());
        LambdaQueryWrapper<Category> lqw =new LambdaQueryWrapper<>();
        lqw.eq(category.getType()!=null,Category::getType,category.getType());
        lqw.orderByDesc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(lqw);
        return R.success(list);
    }
}
